Home / 90,287,076.49-124,606,802.16-53,617,647.49

Finding the Fourth Proportional to 90,287,076.49, 124,606,802.16 and 53,617,647.49

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Solution

The fourth proportional to 90,287,076.49, 124,606,802.16 and 53,617,647.49 is: 73,998,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,076.49 : 124,606,802.16 = 53,617,647.49 : x
  2. Step 2: Convert to fraction form
    90,287,076.49/124,606,802.16 = 53,617,647.49/x
  3. Step 3: Cross multiply
    90,287,076.49x = 124,606,802.16 × 53,617,647.49
  4. Step 4: Simplify right side
    90,287,076.49x = 6,681,123,592,759,533
  5. Step 5: Solve for x
    x = 6,681,123,592,759,533/90,287,076.49
  6. Step 6: Final answer
    x = 73,998,670.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.